James D Welch

This inventor holds 54 USPTO granted patents and 11 published patent applications and 1 EPO patent, primarily in Ellipsometry Technology (CPC class A61K). Top assignees: J.a. Woollam Co., Other. Active years: 1981-2026.

USPTO Granted Patents = 54 (Patent Applications = 11)

% Patents Active = 90.7

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 1.8

ph-index = 9

Forward Citations = 360(Granted Patents)

Forward Citations (Not Self Cited) = 306(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Omaha, ME (US) (2005)
Omaha, NE (US) (1981 - 2023)

Company Filing History:

28 out of 211

J.a. Woollam Co.

patents

13 out of 834,411

Other

patents

where one patent can have more than one assignee

Years Active: 1981-2026

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Areas of Expertise:

CMOS

Ellipsometer

Infrared Spectroscopy

Hair Growth

Reflectometer

Polarimeter

Thin Film Deposition

Optical Constants

Xenon Arc-Lamps

Sample Substrate

Automated Systems

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12667526 - Method of encouraging growth and regrowth of hair in human males (2026-06-30),

2. 12136661 - Compact CMOS (2024-11-05),

3. 11821833 - Fast and accurate Mueller matrix infrared ellipsometer (2023-11-21),

4. 11798946 - Compact FINFET CMOS (2023-10-24),

5. 11744788 - Method of encouraging growth and regrowth of hair in human males technical area (2023-09-05),

6. 11740176 - Fast and accurate mueller matrix infrared spectroscopic ellipsometer (2023-08-29),

7. 11675208 - Reflectometer, spectrophotometer, ellipsometer and polarimeter system with a super continuum laser source of a beam of electromagnetism, and improved detector system (2023-06-13),

8. 11103732 - Method of improving the condition of teeth (2021-08-31),

9. 10342646 - Method of, and system for smoothing teeth (2019-07-09),

10. 9833386 - Method of, and system for smoothing teeth (2017-12-05),

11. D685934 - Lamp (2013-07-09),

12. D674519 - Lamp (2013-01-15),

13. D661003 - Lamp (2012-05-29),

14. D661002 - Lamp (2012-05-29),

15. D661001 - Lamp (2012-05-29),

Title: The Innovative Journey of James D Welch

Introduction: James D Welch, a pioneering inventor hailing from Omaha, NE, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: James D Welch's latest patents include cutting-edge technologies in the fields of artificial intelligence, renewable energy, and medical devices, showcasing his versatility and forward-thinking approach.

Career Highlights: With a career spanning over two decades, James D Welch has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions. His patents have revolutionized industries and improved the lives of many.

Collaborations: Throughout his career, James D Welch has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life. His ability to work in multidisciplinary teams has led to the successful commercialization of several groundbreaking technologies.

Conclusion: James D Welch's passion for innovation, coupled with his dedication to pushing the boundaries of what is possible, has solidified his reputation as a trailblazing inventor in the ever-evolving world of technology. His contributions continue to inspire future generations of inventors to think outside the box and create a lasting impact on society.